JPS60135711U - zoom lens - Google Patents

zoom lens

Info

Publication number
JPS60135711U
JPS60135711U JP2407784U JP2407784U JPS60135711U JP S60135711 U JPS60135711 U JP S60135711U JP 2407784 U JP2407784 U JP 2407784U JP 2407784 U JP2407784 U JP 2407784U JP S60135711 U JPS60135711 U JP S60135711U
Authority
JP
Japan
Prior art keywords
groove
lens
cam
zoom lens
follower
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2407784U
Other languages
Japanese (ja)
Other versions
JPH0233204Y2 (en
Inventor
鎌田　滋
Original Assignee
キヤノン株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by キヤノン株式会社 filed Critical キヤノン株式会社
Priority to JP2407784U priority Critical patent/JPS60135711U/en
Publication of JPS60135711U publication Critical patent/JPS60135711U/en
Application granted granted Critical
Publication of JPH0233204Y2 publication Critical patent/JPH0233204Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Lens Barrels (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来例のズームレンズ鏡胴の縦断面図、第２図
は本考案に係るズームレンズ鏡胴の一実施例の縦断面図
、第３図はその要部分解斜視図である。 Ｌｌ・・・第ルンズ群、ｈ・・・第２レンズ群、Ｌ・・
・第３レンズ群、１・・・マウント、２・・・固定筒、
５・・・カム筒、２ｂ・・・直進ガイド溝、２ｃ・・・
開口部、５ｂ・・・カム溝、５ｃ・・・面取り部、５ｄ
・・・開口部、４・・・移動筒、４ｂ・・・伸長部、４
ａ・・・カムフォロワー、４ｃ・・・あご部。FIG. 1 is a vertical cross-sectional view of a conventional zoom lens barrel, FIG. 2 is a vertical cross-sectional view of an embodiment of the zoom lens barrel according to the present invention, and FIG. 3 is an exploded perspective view of essential parts thereof. Ll... 1st lens group, h... 2nd lens group, L...
・Third lens group, 1... mount, 2... fixed tube,
5...Cam cylinder, 2b...straight guide groove, 2c...
Opening portion, 5b... cam groove, 5c... chamfered portion, 5d
...Opening part, 4...Moving tube, 4b...Extension part, 4
a...Cam follower, 4c...chin part.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）直進溝を有する固定筒と、前記直進溝と交鎖する
カム溝を有するカム筒と、前記直進溝とカム溝の交点に
嵌合するカムフォロワーをレンズのレンズ枠に取り付け
たズームレンズにおいて、前記直進溝又はカム溝の側面
にテーパー面を設け、前記カラフォロワーの上部周囲に
前記テーパー面と摺接するテーパ一部を設けたことを特
徴とするズームレンズのレンズ移動機構。(1) A zoom lens in which a fixed barrel having a straight groove, a cam barrel having a cam groove that intersects with the straight groove, and a cam follower that fits at the intersection of the straight groove and the cam groove are attached to the lens frame of the lens. A lens moving mechanism for a zoom lens, characterized in that a tapered surface is provided on a side surface of the linear groove or the cam groove, and a portion of the taper that slides into contact with the tapered surface is provided around the upper part of the color follower. （２）　　前記カムフォロワーを可動レンズのレンズ枠
と一体に成形加工し、前記直進溝とカム溝の一端側に前
記カムフォロワーの前記テーパ一部を−挿通する開口部
を設けたことを特徴とする実用新案登録請求の範囲第（
１）項記載のズームレンズのレンズ移動装置。(2) The cam follower is molded integrally with the lens frame of the movable lens, and an opening is provided at one end side of the linear groove and the cam groove, through which the tapered part of the cam follower is inserted. Scope of claim for utility model registration (
1) A lens moving device for a zoom lens according to item 1).
JP2407784U 1984-02-21 1984-02-21 zoom lens Granted JPS60135711U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2407784U JPS60135711U (en) 1984-02-21 1984-02-21 zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2407784U JPS60135711U (en) 1984-02-21 1984-02-21 zoom lens

Publications (2)

Publication Number Publication Date
JPS60135711U true JPS60135711U (en) 1985-09-09
JPH0233204Y2 JPH0233204Y2 (en) 1990-09-07

Family

ID=30517895

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2407784U Granted JPS60135711U (en) 1984-02-21 1984-02-21 zoom lens

Country Status (1)

Country Link
JP (1) JPS60135711U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63193114A (en) * 1987-02-05 1988-08-10 Asahi Optical Co Ltd Back-focal distance adjusting mechanism for zoom lens
JP2008176049A (en) * 2007-01-18 2008-07-31 Canon Inc Lens barrel and photographing device
JP2010055124A (en) * 2009-12-10 2010-03-11 Tamron Co Ltd Zoom lens
WO2012102001A1 (en) * 2011-01-24 2012-08-02 パナソニック株式会社 Lens barrel
US8885266B2 (en) 2011-01-24 2014-11-11 Panasonic Corporation Lens barrel
US8896933B2 (en) 2011-01-24 2014-11-25 Panasonic Corporation Lens barrel
US9235024B2 (en) 2011-01-24 2016-01-12 Panasonic Intellectual Property Management Co., Ltd. Lens barrel

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63193114A (en) * 1987-02-05 1988-08-10 Asahi Optical Co Ltd Back-focal distance adjusting mechanism for zoom lens
JP2008176049A (en) * 2007-01-18 2008-07-31 Canon Inc Lens barrel and photographing device
JP4542109B2 (en) * 2007-01-18 2010-09-08 キヤノン株式会社 Lens barrel and photographing apparatus
JP2010055124A (en) * 2009-12-10 2010-03-11 Tamron Co Ltd Zoom lens
WO2012102001A1 (en) * 2011-01-24 2012-08-02 パナソニック株式会社 Lens barrel
US8885266B2 (en) 2011-01-24 2014-11-11 Panasonic Corporation Lens barrel
US8896933B2 (en) 2011-01-24 2014-11-25 Panasonic Corporation Lens barrel
JP2015146051A (en) * 2011-01-24 2015-08-13 パナソニックＩｐマネジメント株式会社 lens barrel
US9158085B2 (en) 2011-01-24 2015-10-13 Panasonic Intellectual Property Management Co., Ltd. Lens barrel
US9235024B2 (en) 2011-01-24 2016-01-12 Panasonic Intellectual Property Management Co., Ltd. Lens barrel

Also Published As

Publication number Publication date
JPH0233204Y2 (en) 1990-09-07

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